Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Years Ended December 31,
	2016			2015			2014
Current provision:
Federal	$	2,047		$	(23,784	)	$	11,184
State		(1,588	)		(2,265	)		1,310
Foreign		64			100			—
Total current provision		523			(25,949	)		12,494
Deferred (benefit) provision:
Federal		(122,302	)		(248,279	)		31,978
State		(8,864	)		(20,553	)		2,036
Foreign		1,633			(4,312	)		(829	)
Total deferred provision		(129,533	)		(273,144	)		33,185
Provision for income taxes	$	(129,010	)	$	(299,093	)	$	45,679

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Years Ended December 31,
	2016			2015			2014
Federal statutory rate		35.0	%		35.0	%		35.0	%
State taxes, net of federal benefit		0.3	%		1.4	%		3.0	%
Domestic production activities deduction		—	%		(0.2	)%		(1.0	)%
Effect of foreign losses		(2.0	)%		(0.3	)%		2.4	%
Impairment		(8.8	)%		(9.8	)%		—	%
Valuation allowance		(10.9	)%		—	%		—	%
Other		(1.6	)%		(0.6	)%		0.5	%
Effective income tax rate		12.0	%		25.5	%		39.9	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	As of December 31,
	2016			2015
Deferred tax assets:
Accrued liabilities	$	25,470		$	8,046
Allowance for doubtful accounts		2,630			7,364
Stock-based compensation		11,530			19,503
Inventory reserve		9,131			8,712
Net operating losses		231,360			68,821
163(j) interest		58,426			15,345
Amortization of goodwill and intangible assets		4,526			—
Other		(3,774	)		(3,567	)
Total deferred tax assets		346,847			131,358
Deferred tax liabilities:
Prepaids		(2,123	)		(9,677	)
Earnout liabilities		—			(4,328	)
Depreciation on property, plant and equipment		(179,428	)		(228,981	)
Amortization of goodwill and intangible assets		—			(28,033	)
Other		(3,873	)		(378	)
Total deferred tax liabilities		(185,424	)		(271,397	)
Valuation allowances		(171,016	)		(77	)
Net deferred tax liability	$	(9,593	)	$	(140,116	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	Years Ended December 31,
	2016		2015
Balance at beginning of year	$	—	$	—
Additions based on tax positions related to the current year		6,525		—
Additions for tax positions of prior years		—		—
Reductions for tax positions of prior years		—		—
Reductions for audit settlements		—		—
Reductions resulting from a lapse of applicable statute of limitations periods		—		—
Balance at end of year	$	6,525	$	—